The Electoral College's role in elections is sometimes confusing and controversial. Pupils use a debate topics website to research the pros and cons of the practice to debate whether the United States should still use the Electoral...

NASA site provides a thematic unit on Remote Sensing targeted for students in grades 5-8. Within the unit, users will find lesson plans, reproducible worksheets, visuals, and links to useful resources.

Students learn to understand color from a variety of perspectives: physiology, psychology, philosophy, and art.

Beginning level exercises on the process of dam building. Examines dam building from the human and animal perspectives.

Learn about the lives of gorillas born in captivity in this video segment from Nature. [8:21]

Scholarly article on agnosticism explains its philosophical underpinnings, Kant's thinking on the subject, and the Catholic viewpoint.

This site from The Geoffrey Chaucer Page provides materials for Harvard's Chaucer classes. It provides a wide range of texts and translations of Chaucer's works along with critical articles from various perspectives and general...